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Changes from v1.1 to v2.0 | AutoHotkey v2
https://www.autohotkey.com/docs/v2/v2-changes.htm
ControlGet - Syntax & Usage | AutoHotkey v1
https://www.autohotkey.com/docs/v1/lib/ControlGet.htm#Hwnd
ControlGetHwnd - Syntax & Usage | AutoHotkey v2
https://www.autohotkey.com/docs/v2/lib/ControlGetHwnd.htm
> Examples
>　Retrieves the unique ID number of the Notepad's Edit control.
>　editHwnd := ControlGetHwnd("Edit1", "ahk_class Notepad")